/Engine/Source/Runtime/CoreUObject/Public/Serialization/EditorBulkData.h
Fix legacy content that created the Id from non-unique Guids. Run on objects created beforeFUE5MainStreamObjectVersion::VirtualizedBulkDataHaveUniqueGuids
void CreateLegacyUniqueIdentifier ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * Owner )